3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $data = array('foo'=> array('hello' => 'bar'), 'baz'=>'boom', 'cow'=>'milk', 'php'=>'hypertext processor'); echo http_build_query($data) . "\n";
based on ls8d4
Output for 5.1.3 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
foo%5Bhello%5D=bar&baz=boom&cow=milk&php=hypertext+processor
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.1.2
foo[hello]=bar&baz=boom&cow=milk&php=hypertext+processor
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: http_build_query() in /in/8T6Ae on line 7
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: http_build_query() in /in/8T6Ae on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: http_build_query() in /in/8T6Ae on line 7